OpenTechnical

OT-2026-000083432

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000083432) never changes.

Identity and time

Publication numberOT-2026-000083432 · never reused
Internal UUID01a0ae97-c964-75d2-a69f-968107eb68b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083432
StatusPUBLIC

Content hashes

Canonical text291a2296a04929bb3f4bb388fd6583fb90d0080d911f08e654669fc0fdcb0426
Markdown6132742a55a035549bc16994e085bed7cd3c3c755539bfbbb6c84b7701b1d8fa
PDF
Publication page071ab023ce9d058b9dd20a4f5ea5f9bfdea1712699a9aecb83e5f9a130d8fbb6
Manifest615cc76f8e39fe21fb73c8a4cf8d0882fb64e6238658d44f6f1a939376a01d08

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureiCa0vG1EtPOkRZIggrab+cBMuMHh6fN0Hi++5akGc0dMDotZL4njHGG+9fcXQZAhRrDguzOKA9thp/NrnEAMBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:50.943801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083432
observed 071ab023ce9d058b9dd20a4f5ea5f9bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.925695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083432/manifest.json
observed 615cc76f8e39fe21fb73c8a4cf8d0882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.905644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083432/publication.md
observed 6132742a55a035549bc16994e085bed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.888409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083432/publication.txt
observed 291a2296a04929bb3f4bb388fd6583fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.